/* ============================================================
   暮联解析 · 黑白极简主题
   QD STUDIO 制作
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-hover: #1a1a1a;
  --bg-input: #111111;
  --border: #222222;
  --border-light: #333333;
  --text: #e8e8e8;
  --text-secondary: #888888;
  --text-muted: #555555;
  --accent: #e8e8e8;
  --accent-hover: #ffffff;
  --danger: #cc4444;
  --success: #44aa66;
  --warning: #cc9944;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 登录界面 ---------- */
.auth-screen {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
  z-index: 1000;
}

.auth-box {
  width: 380px;
  text-align: center;
  padding: 48px 36px;
}

.auth-logo {
  width: 80px; height: 80px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.auth-box h1 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.auth-sub {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 40px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-form input {
  width: 100%;
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
  text-align: center;
  letter-spacing: 4px;
  font-size: 16px;
}

.auth-form input:focus {
  border-color: var(--border-light);
}

.auth-form input::placeholder {
  color: var(--text-muted);
  letter-spacing: normal;
  font-size: 14px;
}

.auth-error {
  color: var(--danger);
  font-size: 12px;
  min-height: 18px;
}

.auth-link {
  color: var(--text-secondary);
  font-size: 12px;
  text-decoration: none;
  transition: color .2s;
}

.auth-link:hover {
  color: var(--text);
}

/* ---------- 弹窗 ---------- */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 440px;
  max-width: 90vw;
}

.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  background: none; border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover { color: var(--text); }

.modal-body {
  padding: 24px;
}

/* ---------- 按钮 ---------- */
.btn-primary {
  background: var(--text);
  color: var(--bg);
  border: none;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.btn-large {
  padding: 14px 32px;
  font-size: 15px;
  width: 100%;
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all .2s;
}

.btn-secondary:hover {
  border-color: var(--border-light);
}

/* ---------- 主应用布局 ---------- */
.app {
  display: flex;
  height: 100vh;
}

/* ---------- 侧边栏 ---------- */
.sidebar {
  width: 200px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-brand {
  display: flex; align-items: center; gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand img {
  width: 36px; height: 36px;
  border-radius: 10px;
}

.sidebar-brand span {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all .2s;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-icon {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  background: var(--bg);
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}

.nav-item.active .nav-icon {
  background: var(--text);
  color: var(--bg);
}

.nav-label {
  font-size: 13px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 11px;
  text-align: center;
}

/* ---------- 主内容区 ---------- */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.topbar h2 {
  font-size: 18px;
  font-weight: 600;
}

.speed-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--success);
}

/* ---------- 页面 ---------- */
.page {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
}

.page.active {
  display: block;
}

/* ---------- 解析页面 ---------- */
.parse-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  max-width: 640px;
}

.parse-inputs {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 24px;
}

.input-group label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.input-group input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}

.input-group input:focus {
  border-color: var(--border-light);
}

.input-group input::placeholder {
  color: var(--text-muted);
}

.status-text {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-secondary);
  min-height: 20px;
}

.status-text.error { color: var(--danger); }
.status-text.success { color: var(--success); }

/* ---------- 解析结果 ---------- */
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-top: 20px;
  max-width: 640px;
}

.result-header {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.result-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  max-height: 320px;
  overflow-y: auto;
}

.result-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  background: var(--bg);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.result-item input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--text);
  cursor: pointer;
}

.result-item .file-name {
  flex: 1;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-item .file-size {
  color: var(--text-secondary);
  font-size: 12px;
  flex-shrink: 0;
}

/* ---------- 任务列表页面 ---------- */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 10px 24px;
  border-radius: 10px;
  font-size: 13px;
  cursor: pointer;
  transition: all .2s;
}

.tab-btn:hover {
  color: var(--text);
  border-color: var(--border-light);
}

.tab-btn.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.task-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}

.empty-state p {
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.empty-state span {
  font-size: 13px;
}

.task-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
}

.task-item-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 10px;
}

.task-item-name {
  font-size: 13px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 70%;
}

.task-item-status {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 6px;
  background: var(--bg);
  color: var(--text-secondary);
}

.task-item-status.active { color: var(--success); }
.task-item-status.paused { color: var(--warning); }
.task-item-status.error { color: var(--danger); }

.task-progress {
  height: 6px;
  background: var(--bg);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 10px;
}

.task-progress-bar {
  height: 100%;
  background: var(--text);
  border-radius: 3px;
  transition: width .3s;
}

.task-item-info {
  display: flex; justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
}

.task-item-actions {
  display: flex; gap: 8px;
  margin-top: 10px;
}

.task-item-actions button {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all .2s;
}

.task-item-actions button:hover {
  border-color: var(--border-light);
  color: var(--text);
}

/* ---------- 设置页面 ---------- */
.settings-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 20px;
  max-width: 600px;
}

.settings-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.setting-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.setting-row:last-child {
  margin-bottom: 0;
}

.setting-row label {
  font-size: 13px;
  color: var(--text-secondary);
}

.setting-row input[type="text"],
.setting-row input[type="number"] {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
  font-size: 14px;
  outline: none;
  width: 100%;
}

.setting-row input[type="number"] {
  width: 120px;
}

.setting-input {
  display: flex; gap: 10px;
}

.setting-input input {
  flex: 1;
}

.about-info {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 2;
}

.about-info strong {
  color: var(--text);
}

/* ---------- 更新日志 ---------- */
.changelog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  max-width: 600px;
}

.changelog-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.changelog-item {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.changelog-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.changelog-ver {
  font-size: 15px;
  font-weight: 600;
  margin-right: 12px;
}

.changelog-date {
  font-size: 12px;
  color: var(--text-muted);
}

.changelog-item ul {
  margin-top: 12px;
  margin-left: 20px;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 2;
}

/* ---------- 表单 ---------- */
.form-row {
  margin-bottom: 16px;
}

.form-row label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
  font-size: 14px;
  outline: none;
  font-family: inherit;
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--border-light);
}

.form-msg {
  margin-top: 12px;
  font-size: 13px;
  min-height: 18px;
}

.form-msg.success { color: var(--success); }
.form-msg.error { color: var(--danger); }

/* ---------- 工具 ---------- */
.hidden { display: none !important; }

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

/* ---------- 版本更新提示 ---------- */
.update-toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  animation: slideIn .3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.update-toast p {
  font-size: 13px;
}

.update-toast a {
  color: var(--text);
  text-decoration: underline;
}

/* ---------- 使用条款弹窗 ---------- */
.terms-modal .modal-content {
  width: 560px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.terms-body {
  padding: 20px 24px;
  overflow-y: auto;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.terms-body h4 {
  color: var(--text);
  margin: 16px 0 8px;
  font-size: 14px;
}

.terms-body p {
  margin-bottom: 8px;
}

.terms-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}